Implement layout transition animations for the Autofill dialog

chrome/android/java/res/layout/autofill_dialog_content.xml

Index: chrome/android/java/res/layout/autofill_dialog_content.xml
diff --git a/chrome/android/java/res/layout/autofill_dialog_content.xml b/chrome/android/java/res/layout/autofill_dialog_content.xml
index 245c25a236f41a2b039219b330625f8785ce0547..7b804ad187e7ae18e6dab70758c6f3be00b06c49 100644
--- a/chrome/android/java/res/layout/autofill_dialog_content.xml
+++ b/chrome/android/java/res/layout/autofill_dialog_content.xml
@@ -4,31 +4,63 @@
      Use of this source code is governed by a BSD-style license that can be
      found in the LICENSE file.
 -->
-<org.chromium.chrome.browser.autofill.AutofillDialogContentView xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_width="wrap_content"
-    android:layout_height="wrap_content">
+<org.chromium.chrome.browser.autofill.AutofillDialogView xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:minWidth="@dimen/autofill_dialog_width"
+    android:minHeight="@dimen/autofill_dialog_max_height_portrait"
+    android:gravity="center">
     <!--TODO(yusufo):Add accessibility content description for all actionable items-->
-    <include layout="@layout/autofill_general_layout"/>
-    <include layout="@layout/autofill_editing_layout_email"/>
-    <include layout="@layout/autofill_editing_layout_credit_card"/>
-    <include layout="@layout/autofill_editing_layout_shipping"/>
+    <include layout="@layout/autofill_dialog_title"/>
+    <ScrollView
+        android:id="@+id/content"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+        <FrameLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content">
+            <include layout="@layout/autofill_general_layout"/>
+            <include layout="@layout/autofill_editing_layout_email"/>
+            <include layout="@layout/autofill_editing_layout_credit_card"/>
+            <include layout="@layout/autofill_editing_layout_shipping"/>
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="match_parent"
+            android:id="@+id/loading_icon"
+            android:visibility="gone"
+            android:gravity="center"
+            android:orientation="vertical">
+            <ProgressBar
+                android:layout_marginTop="30dp"
+                android:layout_width="48dp"
+                android:layout_height="48dp"
+                android:indeterminate="true"/>
+            <TextView
+                android:layout_margin="20dp"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:text="@string/autofill_fetch_message" />
+        </LinearLayout>
+        </FrameLayout>
+    </ScrollView>
     <LinearLayout
+        android:id="@+id/footer"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:id="@+id/loading_icon"
-        android:visibility="gone"
-        android:gravity="center"
-        android:orientation="vertical">
-        <TextView
-            android:layout_marginTop="24dp"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:text="@string/autofill_fetch_message" />
-        <ProgressBar
-            android:layout_marginTop="24dp"
-            android:layout_marginBottom="32dp"
-            android:layout_width="48dp"
-            android:layout_height="48dp"
-            android:indeterminate="true"/>
+        android:layout_height="@dimen/autofill_dialog_footer_height"
+        android:minHeight="@dimen/autofill_dialog_footer_height">
+        <Button
+            android:id="@+id/negative_button"
+            android:layout_width="0dp"
+            android:layout_weight="0.5"
+            android:layout_height="@dimen/autofill_dialog_footer_height"
+            android:background = "?android:attr/selectableItemBackground"
+            android:visibility="gone"/>
+        <Button
+            android:id="@+id/positive_button"
+            android:layout_width="0dp"
+            android:layout_weight="0.5"
+            android:layout_height="@dimen/autofill_dialog_footer_height"
+            android:background = "?android:attr/selectableItemBackground"
+            android:visibility="gone"/>
     </LinearLayout>
-</org.chromium.chrome.browser.autofill.AutofillDialogContentView>
+</org.chromium.chrome.browser.autofill.AutofillDialogView>